1. To communicate, Paula Broadwell and David Petraeus shared an anonymous email account 2. Instead of sending emails, both would login to the account, edit a

1. To communicate, Paula Broadwell and David Petraeus shared an anonymous email account 2. Instead of sending emails, both would login to the account, edit and save drafts 3. Broadwell logged in from various hotels' public Wi-Fi, leaving a trail of metadata that included times and locations 4. The FBI crossed-referenced hotel guests with login times and locations leading to the identification of Broadwell http://www.guardian.co.uk/technology/interactive/2013/jun/12/what-is-metadata-nsa-surveillance#meta=0000000 http://www.guardian.co.uk/technology/interactive/2013/jun/12...